| Patent Number |
Title Of Patent |
Date Issued |
| 5598684 |
Vacuum package, method and apparatus for making such vacuum package filled with granular materia |
February 4, 1997 |
| The invention relates to a method and apparatus for producing a vacuum package filled with granular material. A package made from a flexible film is filled with granular product. The filled package is compressed, so that the contents form a compact whole. Then the compressed package is |
| 5351463 |
Method and apparatus for making a filled and closed vacuum pak |
October 4, 1994 |
| The present invention describes a method and apparatus for closing a filled vacuum pack package. The open end of the package, which is made from a thin-wall, flexible foil, is folded above the height of the product in the package. The package is placed in a vacuum chamber, a vacuum is dr |
| 5339604 |
Method and apparatus for making a vacuum package filled with granular material |
August 23, 1994 |
| A package made from a thin-walled and flexible packaging foil is filled with granular material and the filled package, placed in a holder with flat sidewalls, is vacuumized internally and closed. According to the invention, a relief element is mounted in a wall of a pair of oppositely |
| 5333492 |
Process and apparatus for leak-testing a package |
August 2, 1994 |
| A process and an apparatus for leak testing a package. The method includes placing a sheet-like and airtight wrapper around a part of the package liable to leakage, e.g. a closing element. Applying a higher pressure to the outside than to the inside of the wrapper for causing the wrapper |
| 5259237 |
Method and apparatus for testing a filled and closed flexible package for leakage |
November 9, 1993 |
| Method and apparatus for leak-testing a filled and closed flexible package, in which the package is placed on a vertically movable support member and is compressed between the support member and a pressure member bearing on the top of the package as a result of relative movement of these |
| 5228270 |
Method and apparatus for processing a vacuum-package filled with granular material |
July 20, 1993 |
| Method and apparatus for processing a vacuum-package made from a thin-walled and flexible packaging foil, filled with a granular material, wherein the package is arranged with clearance in a holder having walls adapted for mutual relative movement, suction means create a pressure in |
| 5220768 |
Method and apparatus for making a vacuum-package filled with granular material |
June 22, 1993 |
| The invention relates to a method for making a vacuum-package filled with granular material. In this method, the package filled with granular material and made from a thin-walled and flexible packaging foil is placed in a holder surrounding the bottom and sidewalls of the package and |
| 4972937 |
Apparatus for transporting articles |
November 27, 1990 |
| Apparatus for transporting articles includes a closed track having rectilinear track portions. Disposed in the track are a plurality of series of carriers movable along the track and arranged to carry the articles. A drive is provided which acts on the respective rear one of a series |
| 4951496 |
Method of, and apparatus for, leak testing a package |
August 28, 1990 |
| A method of, and apparatus for, leak testing a package, in which the package is placed in a sheet-like, gas-tight envelope. A pressure differential is generated between the outside and the inside of the envelope, as a result of which the package is closely enveloped by the envelope. |
| 4871057 |
Method of, and apparatus for, temporarily removing a product from a series of products being tra |
October 3, 1989 |
| For temporarily removing a product from a series of products supplied by a supply conveyor, the product is taken over by a movable carrier placed in a starting position in the vicinity of the supply conveyor. The carrier with the product is then removed from the conveyor, for example, fo |
| 4845977 |
Method and an apparatus for detecting a possible leak in a vacuum package |
July 11, 1989 |
| A method of detecting a possible leak in a vacuum package, including placing the package in a gauging space, shutting off the gauging space, applying a pressure in the closed gauging space higher than that in the vacuum package, and gauging the pressure in the gauging space as function |
| 4689987 |
Leakage detection with flexible bag |
September 1, 1987 |
| A bag for use in leak testing vacuum packages, by placing a vacuum package in a bag of elastic flexible foil, providing a pressure differential between the outside and the inside of the bag, and monitoring the pressure variation in the space between the outside of the package and the ins |
| 4656866 |
Method of measuring the pressure in a vacuum package |
April 14, 1987 |
| This invention relates to measuring the pressure within a vacuum package prising a flexible, gas-tight film. The package is placed within a bell jar in which a vacuum is generated, and the pressure variation is measured as function of the time. |
| 4593554 |
Leak detection |
June 10, 1986 |
| A method and an apparatus for detecting a possible leak in a vacuum package, in which the vacuum package is received within a wrapping wall at least essentially consisting of a gas-tight, flexible wrapping foil adapted for substantial adjustment to the contours of the vacuum package |
